*{
    box-sizing: border-box;
    background-color: #f3f5f7;
}
.g-hd{
    height: 100px;
    border: 1px solid black;
}
.g-hd .m-top{
    width: 1366px;
    margin: 26px auto;
    border: 1px solid red;
    display: flex;
}
.g-hd .m-top .navbar{
    
}